DESIGN OF CONTROLLER BOARD PCB, POPULATED, HANDGRIP CONTROLLER PCB, DESIGN OF INTERFACE BOARD, PCB AS PER SCH, DESIGN OF HANDGRIP CONTROLLER PCB, POPULATED BATTERY INTERFACE BOARD PCB, INTERFACE BOARD PCB AS PER DES, CONTROLLER BOARD PCB, STENCIL FOR CONTROLLER, BOARD PCB, STENCIL FOR INTERFACE BOARD PCB, COMPONENTS AS PER BOM, DESIGN OF BATTERY INTERFACE